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CVE-2026-30956

Published: Mar 10, 2026Updated: Mar 12, 2026 Sources: CVE List NVD GHSACWE-285
NVD MITRE
9.9CVSSCRITICAL
EPSS Score
0.5%
Top 61.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

OneUptime has authorization bypass via client‑controlled is-multi-tenant-query header that leads to cross‑tenant data exposure and account takeover

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:CC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:CScope
Changed
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-285CWE-862

Affected Products

@oneuptime/commonnpmOSS Libraries
oneuptimeOneUptime
Mixed
Enterprise Software / itsm-monitoring
oneuptimehackerbay
SaaS
Enterprise Software / itsm-monitoring
npmpackage-ecosystemOSS Libraries
oneuptimecommercialEnterprise Softwareaka oneuptime.com
hackerbaycommercialEnterprise Softwareaka oneuptime

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/OneUptime/oneuptime/security/advisories/GHSA-r5v6-2599-9g3m
github.com
https://nvd.nist.gov/vuln/detail/CVE-2026-30956
nvd.nist.gov
https://github.com/OneUptime/oneuptime
github.com
and 1 more references View all →

Timeline

Published
Mar 10, 2026
Last Updated
Mar 12, 2026

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